<style> 
 tr.forum a.forumlink img { filter:alpha(opacity=50); -moz-opacity:0.5; opacity:0.5; } 
 tr.forum:hover a.forumlink img { filter:alpha(opacity=100); -moz-opacity:0.8; opacity:0.8; } 
 tr.forum:hover * {background-color: #C0E0E0;} 
 </style>